Home / 801,830.66-1,106,553.86-439,254.43

Finding the Fourth Proportional to 801,830.66, 1,106,553.86 and 439,254.43

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Solution

The fourth proportional to 801,830.66, 1,106,553.86 and 439,254.43 is: 606,186.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,830.66 : 1,106,553.86 = 439,254.43 : x
  2. Step 2: Convert to fraction form
    801,830.66/1,106,553.86 = 439,254.43/x
  3. Step 3: Cross multiply
    801,830.66x = 1,106,553.86 × 439,254.43
  4. Step 4: Simplify right side
    801,830.66x = 486,058,681,723.15
  5. Step 5: Solve for x
    x = 486,058,681,723.15/801,830.66
  6. Step 6: Final answer
    x = 606,186.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.